Study and critique Professor Gu Jie-gang's great achievement on this theory in a fair attitude there is an very active meaning in studying Chinese ancient history.

客观评价这一观点并吸取其科学合理的成分对中国上古史的研究有着积极的意义。

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So, It is a significative work to clear up《Jie Gu lu》.

因此，整理《羯鼓录》是一项富有意义的工作。

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"Jie Gu lu", as the only monograph of drum in China ancient books, is the important ancient book and record, which study the music history and percussion instrument of Tang dynasty.

《羯鼓录》是中国古籍中唯一一部有关鼓的专着，也是研究唐朝音乐史，特别是唐朝打击乐史的重要典籍。

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